The symptom would be that some directories would not show up for tens of seconds and files that I knew existed didnt appear.
#Qnap mac address changed mac#
This will give you a response for every device directly connected to the switch, and then you can do the MAC to IP lookup again. I was having some very slow access times with my QNAP box when I accessed it from a mac running OSX El Capitan 10.11.2. Of course, put your own subnet in the address. If the device is not currently in the ARP table, then you can PING the broadcast from the switch (again, I'm doing this from my 3750X) by doingĪssuming you have a /24 subnet. If you don t have a layer 3 switch, you'll need to do the MAC to IP check on your layer 3 device/router - which means the syntax might be different - but once you've got the MAC address, finding the associated IP address from your network kit is trivial. then you can assign static IP from 201 to 255 to your machines without risking duplicated IP. This'll give you the MAC address of the device connected to the port concerned go to your router config page, check the DHCP IP range (possible range are 1-255), and change it to something smaller like 1-200. Switch# show mac address-table | include 1/0/30
Put in the interface number of the interface the NAS is connected to - for example, on my 3750X if I wanted to find the device connected to port g1/0/30, I would do
#Qnap mac address changed how to#
Can someone please tell me how to find the IP Address of this device? I know the port on the Switch it's connected to? I have a NAS device which has a static IP Address but it was not documented and now we cannot connect to it.
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